Home / 27,140.98-37,457.32-15,656.34

Finding the Fourth Proportional to 27,140.98, 37,457.32 and 15,656.34

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Solution

The fourth proportional to 27,140.98, 37,457.32 and 15,656.34 is: 21,607.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,140.98 : 37,457.32 = 15,656.34 : x
  2. Step 2: Convert to fraction form
    27,140.98/37,457.32 = 15,656.34/x
  3. Step 3: Cross multiply
    27,140.98x = 37,457.32 × 15,656.34
  4. Step 4: Simplify right side
    27,140.98x = 586,444,537.41
  5. Step 5: Solve for x
    x = 586,444,537.41/27,140.98
  6. Step 6: Final answer
    x = 21,607.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.